use all the military hardware that it has parked in iran's backyard. for "cbs this morning saturday" margaret brennan, ba han. >>> contaminated tap water at a marine base is linked to birth defects and childhood cancers. the centers for disease control studied children born at camp lejeune between 1968 and 1985. that study found that babies were four high times higher to have birth defects. wells at the base were closed in 1985. >>> the latest check of the healthcare.gov website shows 3.7 million people visited the site this past week. a spokeswoman says the number of duplicated or incorrect forms sent from the site to insurance companies has dropped to 10%. it had been at 25%. consumers are being advised to double-check online interactions with their insurance companies. a spanish-language version is expected to go live today. >>> waulgt ended with big gains, the strongest jobs report in five years. employers added 203,000 jobs in november and the unemployment rate fell to 7% nationwide. so what does that mean for the economy? cbs news contributor and